diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/const/dstr/ary-ptrn-elem-ary-rest-iter.js')
-rw-r--r-- | js/src/tests/test262/language/statements/const/dstr/ary-ptrn-elem-ary-rest-iter.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/const/dstr/ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/const/dstr/ary-ptrn-elem-ary-rest-iter.js new file mode 100644 index 0000000000..b7272cf8f9 --- /dev/null +++ b/js/src/tests/test262/language/statements/const/dstr/ary-ptrn-elem-ary-rest-iter.js @@ -0,0 +1,45 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case +// - src/dstr-binding/default/const-stmt.template +/*--- +description: BindingElement with array binding pattern and initializer is not used (`const` statement) +esid: sec-let-and-const-declarations-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + LexicalBinding : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let value be GetValue(rhs). + 3. ReturnIfAbrupt(value). + 4. Let env be the running execution context's LexicalEnvironment. + 5. Return the result of performing BindingInitialization for BindingPattern + using value and env as the arguments. + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingElement : BindingPatternInitializer opt + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + [...] + e. Else, + i. Let v be IteratorValue(next). + [...] + 4. Return the result of performing BindingInitialization of BindingPattern + with v and environment as the arguments. +---*/ +var values = [2, 1, 3]; +var initCount = 0; + +const [[...x] = function() { initCount += 1; }()] = [values]; + +assert(Array.isArray(x)); +assert.sameValue(x[0], 2); +assert.sameValue(x[1], 1); +assert.sameValue(x[2], 3); +assert.sameValue(x.length, 3); +assert.notSameValue(x, values); +assert.sameValue(initCount, 0); + +reportCompare(0, 0); |